When Marla and McKenzie decide to buy a house and live together, they have difficulty choosing what they will look for. Marla is certain that she wants to live in the city and that is her only concern. McKenzie, on the other hand, knows that she and Marla cannot afford to spend more than $200,000 on this home. The ladies are both emphasizing a in this decision.

Until recently, hamburgers at the city sports arena cost $4.70 each. the food concessionaire sold an average of 13 comma 000 hamburgers on game night. when the price was raised to $5.40, hamburger sales dropped off to an average of 6 comma 000 per night. (a) assuming a linear demand curve, find the price of a hamburger that will maximize the nightly hamburger revenue. (b) if the concessionaire had fixed costs of $1 comma 500 per night and the variable cost is $0.60 per hamburger, find the price of a hamburger that will maximize the nightly hamburger profit.